Evapotranspiration Calculations
Richmond Airport - August 2026 daily calculations
| Date |
Evapotrans- piration (mm) 0000- 2400 |
Rain (mm) 0900- 0900 |
Pan Evaporation (mm) 0900- 0900 |
Max Temp |
Min Temp |
Max Rel Hum (%) |
Min Rel Hum (%) |
Average 10m Wind Speed (m/sec) |
Solar Radiation (MJ/sq m) |
| 01/08/2026 | 5.9 | 0.0 | | 27.1 | 7.8 | 60 | 21 | 5.13 | 18.71 |
| 02/08/2026 | 5.6 | 0.0 | | 29.9 | 12.8 | 75 | 25 | 4.30 | 18.73 |
| 03/08/2026 | 5.7 | 0.0 | | 28.8 | 12.0 | 76 | 25 | 4.80 | 18.83 |
| 04/08/2026 | 5.2 | 0.0 | | 28.0 | 9.7 | 68 | 26 | 3.91 | 18.87 |
| 05/08/2026 | 5.6 | 0.0 | | 28.6 | 9.8 | 69 | 21 | 4.16 | 19.02 |
| 06/08/2026 | 5.9 | 0.0 | | 29.3 | 8.7 | 67 | 17 | 4.21 | 19.07 |
| 07/08/2026 | 6.1 | 0.0 | | 29.9 | 9.7 | 63 | 21 | 4.45 | 19.18 |
| 08/08/2026 | 5.6 | 0.0 | | 30.9 | 9.0 | 64 | 18 | 3.36 | 19.27 |
| 09/08/2026 | 6.4 | 0.0 | | 31.8 | 12.4 | 72 | 27 | 5.04 | 19.34 |
| 10/08/2026 | 5.2 | 0.0 | | 25.7 | 12.6 | 66 | 23 | 4.15 | 19.50 |
| 11/08/2026 | 5.7 | 0.0 | | 30.6 | 8.1 | 54 | 11 | 3.19 | 19.54 |
| 12/08/2026 | 8.5 | 0.0 | | 36.0 | 10.6 | 51 | 17 | 5.40 | 19.44 |
| 13/08/2026 | 7.5 | 0.0 | | 28.6 | 14.6 | 50 | 15 | 6.20 | 19.70 |
| 14/08/2026 | 6.5 | 0.0 | | 29.2 | 8.0 | 51 | 16 | 4.53 | 19.86 |
| 15/08/2026 | 6.4 | 0.0 | | 29.7 | 7.5 | 59 | 16 | 4.39 | 19.89 |
| 16/08/2026 | 5.8 | 0.0 | | 29.8 | 10.8 | 68 | 20 | 3.80 | 20.01 |
| 17/08/2026 | 6.1 | 0.0 | | 30.3 | 13.7 | 78 | 22 | 4.49 | 20.07 |
| 18/08/2026 | 6.4 | 0.0 | | 29.6 | 11.8 | 72 | 21 | 4.96 | 20.16 |
| 19/08/2026 | 6.7 | 0.0 | | 30.6 | 12.1 | 74 | 19 | 5.04 | 20.28 |
| 20/08/2026 | 6.6 | 0.0 | | 30.4 | 12.1 | 66 | 19 | 4.76 | 20.37 |
| 21/08/2026 | 5.8 | 0.0 | | 31.2 | 12.2 | 68 | 20 | 3.48 | 20.50 |
| 22/08/2026 | 5.2 | 0.0 | | 31.6 | 13.1 | 63 | 22 | 2.63 | 20.55 |
| 23/08/2026 | 5.2 | 0.0 | | 32.7 | 12.6 | 65 | 24 | 2.59 | 18.58 |
| 24/08/2026 | 5.7 | 0.0 | | 33.4 | 16.1 | 68 | 23 | 2.93 | 20.76 |
| 25/08/2026 | 4.8 | 0.0 | | 28.9 | 18.5 | 79 | 41 | 4.29 | 15.74 |
| 26/08/2026 | 6.3 | 0.0 | | 29.7 | 14.2 | 95 | 19 | 4.94 | 20.98 |
| Totals: | 156.4 | 0.0 | | | | | | | |
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